International bodies such as the United Nations International Drug Control Programme, the United Nations Educational, Scientific and Cultural Organization, the World Health Organization, the International Criminal Police Organization and the Customs Cooperation Council (also called the World Customs Organization), as well as appropriate regional and national organizations, should participate in a worldwide clearing-house system (that is, the electronic linking, through the Internet, of national, regional and international documentation centres on substance abuse) to disseminate accurate and timely information on various aspects of the problem of amphetamine-type stimulants, as well as use the Internet for distance-learning purposes, with particular emphasis on assistance to developing countries.